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Finding the Fourth Proportional to 265,496.41, 398,096.99 and 87,906.54

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Solution

The fourth proportional to 265,496.41, 398,096.99 and 87,906.54 is: 131,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,496.41 : 398,096.99 = 87,906.54 : x
  2. Step 2: Convert to fraction form
    265,496.41/398,096.99 = 87,906.54/x
  3. Step 3: Cross multiply
    265,496.41x = 398,096.99 × 87,906.54
  4. Step 4: Simplify right side
    265,496.41x = 34,995,329,362.27
  5. Step 5: Solve for x
    x = 34,995,329,362.27/265,496.41
  6. Step 6: Final answer
    x = 131,810.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.